Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.

If your knees click every time you climb the stairs or stand up from the floor, you are not alone. For many people, that small sound can trigger a big worry. Is this the start of arthritis? Is ...

Tricompartmental osteoarthritis causes pain and damage due to the cartilage (cushioning) in a joint breaking down. This form of osteoarthritis occurs when there's damage in the three compartments of ...

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Nothing can impede your fitness goals quite like knee pain. Any exercise junkie knows that even the slightest twinge to your knee can throw you out of your heavy-lifting gym routine or daily running ...